@book{100514,
	author = {Rugg, Harold Ordway},
	title = {Changing countries and changing peoples},
	publisher = {Ginn},
	year = {1938.},
	series = {Half-title : Man and his changing society. The Rugg social science series. V.2 of the junior high school course.},
	address = {Boston},
	note = {Based on the author's Changing civilization in the modern world, published in 1930. cf. Pref.}
}